package cn.yijvyan.bos.web.action.base;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Controller;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;

import cn.yijvyan.bos.domain.base.Courier;
import cn.yijvyan.bos.service.base.CourierService;
@ParentPackage("json-default")
@Namespace("/")
@Controller
@Scope("prototype")
public class CourierAction extends ActionSupport implements ModelDriven<Courier> {
	
	private Courier courier = new Courier();
	
	@Override
	public Courier getModel() {
		return courier;
	}
	
	@Autowired
	private CourierService courierService;
	
	@Action(value="courier_save",results={
			@Result(name="success",location="pages/base/courier.html",type="redirect")
	})
	public String save() {
		courierService.save(courier);
		return SUCCESS;
	}
	
	private int page;
	private int rows;

	public void setPage(int page) {
		this.page = page;
	}
	public void setRows(int rows) {
		this.rows = rows;
	}
	
	@Action(value="courier_pageQuery",results={
			@Result(name="success",type="json")})
	public String pageQuery() {
		Pageable pageable = new PageRequest(page-1, rows);
		
		Specification<Courier> specification = new Specification<Courier>() {

			@Override
			public Predicate toPredicate(Root<Courier> root,
					CriteriaQuery<?> query, CriteriaBuilder cb) {
				
				List<Predicate> list = new ArrayList<Predicate>();
				
				if (StringUtils.isNotBlank(courier.getCourierNum())) {
					Predicate p1 = cb.equal(root.get("courierNum").as(String.class),
							courier.getCourierNum());
					list.add(p1);
				}
				
				
				if (StringUtils.isNotBlank(courier.getCompany())) {
					Predicate p2 = cb.like(root.get("company").as(String.class)
							,"%"+ courier.getCompany()+"%");
					list.add(p2);
				}
				
				
				if (StringUtils.isNotBlank(courier.getType())) {
					Predicate p3 = cb.equal(root.get("type").as(String.class),
							courier.getType());
					list.add(p3);
				}
				
				
				Join<Object, Object> standardRoot = root.join("standard", JoinType.INNER);
				if (courier.getStandard() != null && StringUtils.isNotBlank(courier.getStandard().getName())) {
					Predicate p4 = cb.like(standardRoot.get("name").as(String.class), 
							"%"+courier.getStandard().getName()+"%");
					list.add(p4);
				}
				return cb.and(list.toArray(new Predicate[0]));
			}
		};
		
		Page<Courier> pageData = courierService.findPageData(specification,pageable);
		
		Map<String, Object> result = new HashMap<String,Object>();
		result.put("total",pageData.getTotalElements());
		result.put("rows", pageData.getContent());
		
		ActionContext.getContext().getValueStack().push(result);
		return SUCCESS;
	}
	
	
	
	
	private String ids;
	
	
	public void setIds(String ids) {
		this.ids = ids;
	}
	@Action(value="courier_delBacth",results={
			@Result(name="success",location="pages/base/courier.html",type="redirect")
	})
	public String delBatch() {
		
		String[] idArray = ids.split(",");
		courierService.delBatch(idArray);
		return SUCCESS;
	}
	
	
	
	@Action(value="courier_findnoassociation",results={
			@Result(name="success",type="json")})
	public String findnoassociation() {
		List<Courier> couriers = courierService.findNoAssociation();
		ActionContext.getContext().getValueStack().push(couriers);
		return SUCCESS;
	}
}
